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Hydrodynamic Mobility of an Optically Trapped Colloidal Particle near Fluid-Fluid Interfaces

Wang, Genmiao; Prabhakar, R; Sevick, Edith M


Using optical tweezers, we measure the anisotropic hydrodynamic mobility of a colloidal particle by tracking its thermal motion in an optical trap located near fluid-fluid interfaces, namely, liquid-vapor and liquid-liquid interfaces. The method requires

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.103.248303


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